{"id":570578,"date":"2026-10-09T20:00:27","date_gmt":"2026-10-09T19:00:27","guid":{"rendered":"https:\/\/cryptoslate.com\/?p=570578"},"modified":"2026-10-09T15:52:23","modified_gmt":"2026-10-09T14:52:23","slug":"cardanos-hoskinson-hoskinson-slams-vitalik-buterins-ai-doomsday-warning-as-a-threat-to-cryptos-quantum-future","status":"publish","type":"post","link":"https:\/\/cryptoslate.com\/cardanos-hoskinson-hoskinson-slams-vitalik-buterins-ai-doomsday-warning-as-a-threat-to-cryptos-quantum-future\/","title":{"rendered":"Hoskinson says Vitalik\u2019s AI warning could delay the internet\u2019s quantum defenses"},"content":{"rendered":"<p><a href=\"https:\/\/cryptoslate.com\/coins\/cardano\/\">Cardano<\/a> founder <a href=\"https:\/\/cryptoslate.com\/people\/charles-hoskinson\/\">Charles Hoskinson<\/a> accused <a href=\"https:\/\/cryptoslate.com\/people\/vitalik-buterin\/\">Vitalik Buterin<\/a> of undermining quantum-resistant cryptography with speculative warnings about AI-driven mathematical breakthroughs.<\/p>\n<p>In an <a href=\"https:\/\/x.com\/iohk_charles\/status\/2108377196561867242\">Oct. 9 post<\/a>, Hoskinson challenged the Ethereum co-founder's skepticism toward lattice-based cryptography, arguing that decades of security research had already accounted for the technology's known weaknesses.<\/p>\n<p>He warned that encouraging developers to abandon established approaches could slow the adoption of protections already being deployed across internet infrastructure, leaving systems exposed to future quantum attacks.<\/p>\n<p>The criticism follows <a href=\"https:\/\/cryptoslate.com\/vitalik-buterin-urges-calm-as-ai-raises-new-fears-over-bitcoin-and-ethereum-cryptography-security\/\">Buterin's warning<\/a> that AI-assisted mathematical discoveries could weaken cryptography designed to resist quantum computers.<\/p>\n<p>Buterin said <a href=\"https:\/\/x.com\/VitalikButerin\/status\/2107976296320106851\">Ethereum's long-term &#8220;lean&#8221; roadmap<\/a> has moved toward hash-based signatures and proofs, avoiding lattice-based designs.<\/p>\n<p>Hoskinson rejected that reasoning, accusing Buterin of being too invested in Ethereum's existing research direction to reconsider its approach.<\/p>\n<p>&#8220;The case against lattices is the GNFS story, a.k.a. a hunch about &#8216;structure,' and a multiplier pulled out of thin air,&#8221; Hoskinson wrote.<\/p>\n<p>The dispute concerns post-quantum alternatives to the elliptic-curve signatures used by <a href=\"https:\/\/cryptoslate.com\/coins\/bitcoin\/\">Bitcoin<\/a> and Ethereum.<\/p>\n<h2>Hoskinson challenges the mathematical case against lattices<\/h2>\n<p>Buterin's concern draws partly on the history of integer factorization, where mathematical advances such as the general number field sieve dramatically improved techniques for attacking RSA encryption.<\/p>\n<p>He suggested that AI could deliver decades of comparable mathematical progress in a much shorter period, potentially revealing unexpected shortcuts against lattice-based systems.<\/p>\n<p>Hoskinson said the number field sieve emerged from techniques involving arithmetic relationships and smooth numbers, while no comparable mechanism has been demonstrated against the lattice problems underpinning modern post-quantum standards.<\/p>\n<p>The Cardano founder pointed to more than four decades of research, including advances in lattice reduction and sieving algorithms, that have progressively improved attacks without producing a general breakthrough capable of defeating properly configured systems.<\/p>\n<p>The US National Institute of Standards and Technology standardized <a href=\"https:\/\/csrc.nist.gov\/pubs\/fips\/203\/final\">ML-KEM for key encapsulation<\/a> and <a href=\"https:\/\/csrc.nist.gov\/pubs\/fips\/204\/final\">ML-DSA for digital signatures<\/a> in 2024. Hoskinson said their security parameters account for those known attacks.<\/p>\n<p>Hoskinson also rejected Buterin's illustrative suggestion that multiplying key sizes by ten might protect public-key encryption against AI-driven mathematical advances.<\/p>\n<p>&#8220;Multiply key sizes by ten&#8221; is &#8220;numerology,&#8221; Hoskinson wrote, arguing that security parameters must be adjusted according to measurable improvements in attack algorithms.<\/p>\n<p>A change in attack efficiency might justify moderately larger parameters, while a fundamental mathematical breakthrough could require replacing an algorithm altogether.<\/p>\n<h2>Ethereum's hash-based strategy faces its own questions<\/h2>\n<p>Hoskinson also challenged the assumption that hash-based cryptography offers greater protection against unforeseen mathematical discoveries.<\/p>\n<p>He cited historical weaknesses in MD5 and SHA-1 as evidence that hash functions can contain exploitable structures, although those failures do not establish vulnerabilities in modern constructions such as SHA-256.<\/p>\n<p>His criticism extended to Poseidon and Poseidon2, hash functions designed for efficient use in zero-knowledge proofs and relevant to <a href=\"https:\/\/cryptoslate.com\/ethereum-considers-poseidon-hash-to-boost-zero-knowledge-proof-efficiency\/\">Ethereum's longer-term cryptographic research<\/a>.<\/p>\n<p>The <a href=\"https:\/\/cryptoslate.com\/companies\/ethereum-foundation\/\">Ethereum Foundation<\/a> has funded <a href=\"https:\/\/blog.ethereum.org\/2026\/04\/29\/allocation-q1-26\">research into Poseidon's resistance to algebraic attacks<\/a>, including investigations using Gr\u00f6bner bases and other cryptanalytic methods.<\/p>\n<p>Hoskinson argued that these designs also present potential targets for AI-assisted mathematical discoveries, questioning why lattice-based systems should face greater skepticism.<\/p>\n<p>Hash-based signatures can provide quantum-resistant transaction authorization. Lattice techniques also support key encapsulation for encryption and other advanced cryptographic constructions.<\/p>\n<p>Abandoning lattice research could therefore limit options available to developers building privacy systems, secure communications, and other applications requiring those capabilities.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cardano founder Charles Hoskinson accused Vitalik Buterin of undermining quantum-resistant cryptography with speculative warnings about AI-driven mathematical breakthroughs. In an Oct. 9 post, Hoskinson challenged the Ethereum co-founder&#8217;s skepticism toward lattice-based cryptography, arguing that decades of security research had already accounted for the technology&#8217;s known weaknesses. He warned that encouraging developers to abandon established approaches [&hellip;]<\/p>\n","protected":false},"author":720,"featured_media":570776,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[78326,77968,29,80837,37],"tags":[],"post_folder":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.9 (Yoast SEO v21.9.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hoskinson says Vitalik\u2019s AI warning could delay quantum defenses<\/title>\n<meta name=\"description\" content=\"Hoskinson argues Vitalik\u2019s AI warnings could slow post-quantum protection for web traffic and messaging, challenging Ethereum\u2019s hash-based approach.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cryptoslate.com\/cardanos-hoskinson-hoskinson-slams-vitalik-buterins-ai-doomsday-warning-as-a-threat-to-cryptos-quantum-future\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hoskinson says Vitalik\u2019s AI warning could delay the internet\u2019s quantum defenses\" \/>\n<meta property=\"og:description\" content=\"Hoskinson argues Vitalik\u2019s AI warnings could slow post-quantum protection for web traffic and messaging, challenging Ethereum\u2019s hash-based approach.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cryptoslate.com\/cardanos-hoskinson-hoskinson-slams-vitalik-buterins-ai-doomsday-warning-as-a-threat-to-cryptos-quantum-future\/\" \/>\n<meta property=\"og:site_name\" content=\"CryptoSlate\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-09T19:00:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-09T14:52:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cryptoslate.com\/wp-content\/uploads\/2026\/10\/quantum-crypto-strategy-debate.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Oluwapelumi Adejumo\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@cryptoslate\" \/>\n<meta name=\"twitter:site\" content=\"@cryptoslate\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Oluwapelumi Adejumo\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"NewsArticle\",\"@id\":\"https:\/\/cryptoslate.com\/cardanos-hoskinson-hoskinson-slams-vitalik-buterins-ai-doomsday-warning-as-a-threat-to-cryptos-quantum-future\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/cryptoslate.com\/cardanos-hoskinson-hoskinson-slams-vitalik-buterins-ai-doomsday-warning-as-a-threat-to-cryptos-quantum-future\/\"},\"author\":{\"@type\":\"Person\",\"@id\":\"https:\/\/cryptoslate.com\/author\/oluwapelumi-adejumo\/#person\",\"name\":\"Oluwapelumi Adejumo\",\"url\":\"https:\/\/cryptoslate.com\/author\/oluwapelumi-adejumo\/\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/cryptoslate.com\/author\/oluwapelumi-adejumo\/\"},\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/cryptoslate.com\/author\/oluwapelumi-adejumo\/#authorimage\",\"url\":\"https:\/\/cryptoslate.com\/wp-content\/uploads\/2026\/10\/profile-oluwapelumi-adejumo-1-300x300.jpg\",\"contentUrl\":\"https:\/\/cryptoslate.com\/wp-content\/uploads\/2026\/10\/profile-oluwapelumi-adejumo-1-300x300.jpg\",\"caption\":\"Oluwapelumi Adejumo\"},\"jobTitle\":\"Senior Reporter\",\"description\":\"Oluwapelumi values Bitcoin's potential. 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